Security readout for executives and security teams
Plain-English summary
This Oracle JD Edwards EnterpriseOne Tools issue can let an unauthenticated web attacker alter or read some accessible data if they can get a user to interact with malicious content. It is not rated critical, but it affects an enterprise ERP platform and can cross security boundaries, so exposed web runtimes should be reviewed promptly.
Executive priority
Treat as a near-term ERP security maintenance item. It is moderate severity but involves unauthenticated web access, user interaction, data read/write impact, and scope change in a business-critical Oracle platform.
Technical view
CVE-2026-21946 affects Oracle JD Edwards EnterpriseOne Tools Web Runtime SEC, supported versions 9.2.0.0 through 9.2.26.0. Oracle describes it as easily exploitable over HTTP with no privileges, requiring user interaction. The assigned weakness is CWE-79, with CVSS 3.1 score 6.1 and vector AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
Likely exposure
Organizations running JD Edwards EnterpriseOne Tools versions 9.2.0.0-9.2.26.0 with HTTP-accessible Web Runtime SEC functionality may be exposed, especially where the service is reachable by untrusted users or partners.
Exploitation context
The provided sources do not show active exploitation, and the CVE is not marked as CISA KEV. Exploitation requires network access over HTTP and user interaction by someone other than the attacker.
Researcher notes
Evidence is limited to the CVE record and Oracle advisory metadata. The vulnerability is categorized as CWE-79, suggesting cross-site scripting behavior, but the sources do not provide technical root cause, affected endpoints, proof of concept, or specific fixed versions.
Mitigation direction
- Review Oracle's January 2026 Critical Patch Update for JD Edwards EnterpriseOne Tools guidance.
- Prioritize remediation for internet-facing or broadly accessible JD Edwards web runtimes.
- Limit HTTP access to trusted networks where business processes allow.
- Educate users to avoid interacting with unexpected JD Edwards links or content.
Validation and detection
- Inventory JD Edwards EnterpriseOne Tools deployments and versions.
- Confirm whether versions fall within 9.2.0.0 through 9.2.26.0.
- Identify whether Web Runtime SEC is reachable over HTTP from untrusted networks.
- Check Oracle advisory status and internal patch records for remediation completion.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2026-21946 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 6.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N2.82.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.1MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- Oracle AdvisoryCVE reference · vendor-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.